1. having undergone oxidation; combined with oxygen or having lost electrons
Usage: chemistry
2. having a dull, discolored appearance due to exposure to air or moisture

Examples

• The oxidized copper turned green over time.
• She polished the oxidized silver jewelry until it gleamed.
• The old car had oxidized paint that looked faded and chalky.
• Iron becomes oxidized when exposed to water and air.
• The oxidized metal surface felt rough to the touch.
• Scientists studied the oxidized compounds in the laboratory.